From 19dec031c7c8d5f4b646ff5f450c16b9f98f9dac Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Sat, 26 Sep 2009 01:17:58 +0200
Subject: [PATCH] don't crash

---
 lib/tevent/tevent_signal.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/tevent/tevent_signal.c b/lib/tevent/tevent_signal.c
index d3325b67ac06..46bcfca5e906 100644
--- a/lib/tevent/tevent_signal.c
+++ b/lib/tevent/tevent_signal.c
@@ -94,6 +94,8 @@ static void tevent_common_signal_handler(int signum)
 	for (sl = sig_state->sig_handlers[signum]; sl; sl = sl->next) {
 		if (sl->se->event_ctx != ev) {
 			ev = sl->se->event_ctx;
+			if (!ev) continue;
+			if (!ev->pipe_fds) continue;
 			/* doesn't matter if this pipe overflows */
 			res = write(ev->pipe_fds[1], &c, 1);
 		}
-- 
2.34.1